PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9715515-3 1998 The mutation patterns of the human and endogenous mouse c-H-ras codon 61 in these proliferative liver lesions were analyzed by DNA amplification using polymerase chain reaction, single-strand conformation polymorphism (PCR-SSCP), and oligonucleotide dot blot hybridization. Oligonucleotides 234-249 Harvey rat sarcoma virus oncogene Mus musculus 56-63